Aviation guides: How flight tracking really works

Magazine-style deep dives on flight tracking and the aviation world behind it. Pick a hub, or start with the latest stories.

12 guides

Flight Tracking Basics

Everything a beginner needs to follow any flight in real time - From reading the map to understanding callsigns.

9 guides

Flight Tracking Technology

The engineering behind the map: ADS-B, radar, multilateration, satellites and the receivers that hear it all.

8 guides

Airports Explained

How the world's airports really work - Codes, runways, control towers, slots and the choreography of a turnaround.

9 guides

Airlines & Fleets

Carriers, callsigns, alliances and liveries - Who flies what, and how to recognize them on the radar.

9 guides

Aircraft Guide

From the A320 to the 787: identify what's overhead, understand the specs and speak fluent planespotter.

10 guides

Air Travel Tips

Smarter flying for passengers: delays, turbulence, seats, connections and using a flight tracker to stay ahead.

Featured · Flight Tracking Basics

How we calculate flight CO2

Every flight page on this site carries a carbon figure. Here is the whole chain behind it, including the one step that is an assumption rather than a measurement.

Flight-Tracker.net Editorial Team · 8 min read

Latest guides

Flight Tracking Basics How we calculate flight CO2 Every flight page on this site carries a carbon figure. Here is the whole chain behind it, including the one step that is an assumption rather than a measurement. Flight-Tracker.net Editorial Team 8 min read

Air Travel Tips How Safe Is Flying, Really? The Numbers Behind the Reassurance People say flying is the safest way to travel. It is true, but the reason is more interesting than the statistic: an industry that treats every incident as evidence. Flight-Tracker.net Editorial Team 6 min read

Air Travel Tips Diversions and Go-Arounds: What Happens When a Landing Is Called Off The engines spool up, the nose lifts and the runway falls away beneath you. A go-around feels alarming and is the opposite. Here is what is actually happening. Flight-Tracker.net Editorial Team 7 min read

Aircraft Guide How Old Is My Plane? Finding an Aircraft's Age From Its Registration The tail number on the fuselage is a permanent identifier you can look up. Here is how to find out how old your aircraft is, and why age matters far less than you think. Flight-Tracker.net Editorial Team 7 min read

Airlines & Fleets Wet Leases and ACMI: Why Your Flight Has Someone Else's Plane You booked one airline and boarded an aircraft in another carrier's paint, with a crew in unfamiliar uniforms. That is a wet lease, and it is one of aviation's most useful arrangements. Flight-Tracker.net Editorial Team 7 min read

Flight Tracking Technology Why Your Flight Took a Weird Route: Great Circles, Jet Streams and ETOPS That curved line on the tracker is not a detour. Here is why the shortest path looks bent, why the return leg takes longer, and what really pushes an aircraft off the straight line. Flight-Tracker.net Editorial Team 7 min read

Flight Tracking Basics Tracking Military Aircraft: What You Can See and What Stays Hidden Some of the most-watched aircraft in the world are military. Here is why tankers and transports show up on public trackers, why fighters usually do not, and where the line sits. Flight-Tracker.net Editorial Team 7 min read

Flight Tracking Basics Flight Status Codes Explained: Scheduled, Estimated, En Route and Diverted Estimated does not mean delayed, and en route does not mean airborne. A plain-English decoder for every status word an airline, airport or tracker will show you. Flight-Tracker.net Editorial Team 7 min read

Flight Tracking Basics How to Check If Your Flight Is Delayed (Before the Airline Tells You) The departure board is the last place a delay shows up. Here is how to see one coming two hours early by tracking the aircraft that has to become your flight. Flight-Tracker.net Editorial Team 7 min read

Not sure where to start?

Pick the question closest to yours. Each answer links to a full guide, and you can watch any of it happen on the live map:

"How do I follow a flight?" Start with how to track any flight.
"How does the map know where planes are?" Read ADS-B explained.
"Why did my flight vanish?" See why flights disappear.
"What plane is that?" Try identifying aircraft overhead.
"Why is my flight late?" Read why flights get delayed.

Every guide stands on its own. You do not need to start at the top.

When you want to see an idea in action, open the live map and follow along. You can also look up any airport, airline or aircraft type as you read, or check how many planes are flying right now.

Frequently asked questions

How does flight tracking actually work?

Aircraft broadcast their GPS position, altitude and speed several times a second over ADS-B on 1090 MHz. A worldwide network of ground receivers picks those broadcasts up and shares them, which is what draws the aircraft you see on a live map.

Why do flights disappear from tracking maps?

Usually because the aircraft has flown beyond receiver coverage, which happens over oceans, deserts and polar regions. It can also mean the flight has landed, or that the aircraft's broadcasts are filtered at the owner's request.

Is flight tracking legal?

Yes. ADS-B transmissions are unencrypted broadcasts on open radio frequencies, and receiving them is legal in most countries. The data is used for research, air-safety analysis and public interest reporting.

Where should I start if I am new to flight tracking?

Begin with how to track any flight in real time, then read what the numbers on a tracker mean. From there the technology hub explains ADS-B, radar and multilateration in plain English.